---
description: Genuine ETA 7750-1482 ratchet wheel driving wheel, Swiss-made for 7750 auto chronograph. Transfers power from rotor to mainspring. Essential winding part.
title: ETA 7750-1482 Ratchat Wheel Driving Wheel - Sofly
image: https://www.soflypart.com/wp-content/uploads/2020/07/DSC05673.jpg
---
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- **ETA 7750-1482 Ratchat Wheel Driving Wheel**
[](https://www.soflypart.com/wp-content/uploads/2020/07/DSC05673.jpg)
# ETA 7750-1482 Ratchat Wheel Driving Wheel
$9.00
You Saved
| Brand | Choose an option ETA- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $9.00 |
| 3 - 4 | 5% | $8.55 |
| 5 - 9 | 7% | $8.37 |
| 10 - 14 | 10% | $8.10 |
| 15+ | 15% | $7.65 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $9.00 |
| 3 - 4 | 5% | $8.55 |
| 5 - 9 | 7% | $8.37 |
| 10 - 14 | 10% | $8.10 |
| 15+ | 15% | $7.65 |
ETA 7750-1482 Ratchat Wheel Driving Wheel quantity
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## Product Description
This is a genuine ETA 7750-1482 ratchet wheel driving wheel. As an authentic Swiss-made part, it is specifically designed for the ETA 7750 automatic chronograph movement.
This component plays a critical role in the automatic winding system, transferring power from the oscillating weight to the mainspring barrel.
## Features & Function
- **Genuine ETA Part** – Swiss factory-original for Caliber 7750, not a copy.
- **Automatic Winding Core** – Transfers rotor power to the mainspring barrel for efficient winding.
- **Precision Machined** – Accurate gear teeth and bore for smooth power transfer and low wear.
- **Essential for Service** – Common failure point when automatic winding efficiency drops or fails.
- **Compatible Movement** – Designed for ETA 7750 (Valjoux 7750) automatic chronograph.
## Specifications
| Parameter | Details |
| --- | --- |
| Part Name | Ratchet Wheel Driving Wheel |
| Part Number | ETA 7750-1482 |
| Compatible Movement | ETA/Valjoux 7750 automatic chronograph |
| Function | Power transmission in automatic winding system |
| Origin | Switzerland |
| Condition | Brand new, genuine |
## Applications
- ETA 7750 (Valjoux 7750) automatic chronograph (common in Breitling, Omega, IWC, Tissot, etc.)
- Repair of reduced automatic winding efficiency or rotor spinning without winding action
- Replacement of worn, broken, or damaged ratchet wheel driving wheels during movement service
## Frequently Asked Questions
**1. Is this a genuine ETA part?**
Yes. It is a Swiss ETA factory-original part (7750-1482) for the 7750 movement.
**2. What are the symptoms of a damaged ratchet driving wheel?**
Symptoms: rotor spins normally but automatic winding is very poor (low power reserve); manual winding works but automatic does not; unusual noise or grinding during automatic winding.
**3. What should I pay attention to during installation?**
This wheel sits in the automatic module, working with reversing wheels and the ratchet wheel. Clean the train, inspect reversers. Use recommended lubrication. Professional installation is strongly recommended.
**4. Does this part fit the Sellita SW500?**
SW500 is an alternative to 7750. Automatic parts are often interchangeable, but using dedicated SW500 parts is recommended for best fit. This genuine ETA part may work.
**5. When should it be replaced?**
Inspect for worn, deformed, or broken teeth during service. If automatic winding fails after ruling out reversers and rotor bearings, replace this wheel.
## Why Choose SOFLY Watch Parts?
- Fast worldwide shipping within 3 business days.
- Competitive pricing on Seiko/Hattori calibers.
- 3,000+ watch movements and parts in stock.
- Trusted by watchmakers worldwide.
- Personalized sourcing support via **info@soflypart.com** or WhatsApp **+86 18620212114**.
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Features & Function Genuine ETA Part\u00a0\u2013 Swiss factory-original for Caliber 7750, not a copy. Automatic Winding Core\u00a0\u2013 Transfers rotor power to the mainspring barrel for efficient winding. Precision Machined\u00a0\u2013 Accurate gear teeth and bore for smooth power transfer and low wear. Essential for Service\u00a0\u2013 Common failure point when automatic winding efficiency drops or fails. Compatible Movement\u00a0\u2013 Designed for ETA 7750 (Valjoux 7750) automatic chronograph. Specifications Parameter Details Part Name Ratchet Wheel Driving Wheel Part Number ETA 7750-1482 Compatible Movement ETA/Valjoux 7750 automatic chronograph Function Power transmission in automatic winding system Origin Switzerland Condition Brand new, genuine Applications ETA 7750 (Valjoux 7750) automatic chronograph (common in Breitling, Omega, IWC, Tissot, etc.) Repair of reduced automatic winding efficiency or rotor spinning without winding action Replacement of worn, broken, or damaged ratchet wheel driving wheels during movement service Frequently Asked Questions 1. Is this a genuine ETA part? Yes. It is a Swiss ETA factory-original part (7750-1482) for the 7750 movement. 2. What are the symptoms of a damaged ratchet driving wheel? Symptoms: rotor spins normally but automatic winding is very poor (low power reserve); manual winding works but automatic does not; unusual noise or grinding during automatic winding. 3. What should I pay attention to during installation? This wheel sits in the automatic module, working with reversing wheels and the ratchet wheel. Clean the train, inspect reversers. Use recommended lubrication. Professional installation is strongly recommended. 4. Does this part fit the Sellita SW500? SW500 is an alternative to 7750. Automatic parts are often interchangeable, but using dedicated SW500 parts is recommended for best fit. This genuine ETA part may work. 5. When should it be replaced? Inspect for worn, deformed, or broken teeth during service. If automatic winding fails after ruling out reversers and rotor bearings, replace this wheel. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","image":"https://www.soflypart.com/wp-content/uploads/2020/07/DSC05673-150x150.jpg","offers":{"@type":"Offer","description":"Product Description This is a genuine ETA 7750-1482 ratchet wheel driving wheel. As an authentic Swiss-made part, it is specifically designed for the ETA 7750 automatic chronograph movement. This component plays a critical role in the automatic winding system, transferring power from the oscillating weight to the mainspring barrel. Features & Function Genuine ETA Part\u00a0\u2013 Swiss factory-original for Caliber 7750, not a copy. Automatic Winding Core\u00a0\u2013 Transfers rotor power to the mainspring barrel for efficient winding. Precision Machined\u00a0\u2013 Accurate gear teeth and bore for smooth power transfer and low wear. Essential for Service\u00a0\u2013 Common failure point when automatic winding efficiency drops or fails. 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Symptoms: rotor spins normally but automatic winding is very poor (low power reserve); manual winding works but automatic does not; unusual noise or grinding during automatic winding. 3. What should I pay attention to during installation? This wheel sits in the automatic module, working with reversing wheels and the ratchet wheel. Clean the train, inspect reversers. Use recommended lubrication. Professional installation is strongly recommended. 4. Does this part fit the Sellita SW500? SW500 is an alternative to 7750. Automatic parts are often interchangeable, but using dedicated SW500 parts is recommended for best fit. This genuine ETA part may work. 5. When should it be replaced? Inspect for worn, deformed, or broken teeth during service. If automatic winding fails after ruling out reversers and rotor bearings, replace this wheel. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","price":"9","priceCurrency":"USD","availability":"http://schema.org/InStock","itemCondition":"NewCondition","priceValidUntil":"2027-12-31","url":"https://www.soflypart.com/product/eta-7750-1482-ratchat-wheel-driving-wheel/?attribute_pa_brand=eta"}}],"@id":"https://www.soflypart.com/product/eta-7750-1482-ratchat-wheel-driving-wheel/#richSnippet"}]}
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